Apparatus and methods for interconnecting tubular sections



FIG. 1 is a perspective view of a concrete pier footing.

FIG. 2 is a top view of the concrete pier footing of FIG. 1.

FIG. 3 is a bottom view of the concrete pier footing of FIG. 1.

FIG. 4 is a left view of the concrete pier footing of FIG. 1.

FIG. 5 is a right view of the concrete pier footing of FIG. 1.

FIG. 6 is a bottom perspective view of the concrete pier footing of FIG. 1.

FIG. 7 is a perspective view of the concrete pier footing of FIG. 1 in a collapsed configuration.

FIG. 8 is a bottom perspective view of the concrete pier footing of FIG. 7.

FIG. 9 is a perspective view of a second embodiment of the concrete pier footing of FIG. 1; and,

FIG. 10 is a perspective view of a third embodiment of the concrete pier footing of FIG. 1. 

We claim the ornamental design for a concrete pier footing, as shown and described. 